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Si00-771

Removal of PCB

Removal Procedure

13

3. Removal of PCB

Procedure

Warning

Be sure to wait for 10 minutes or more after turning off all power 
supplies before disassembling work.

Step

Procedure

Points

1

Feature of the main 
PCB

„

You can remove the main 
PCB when you disconnect 
the lead wires on the 
terminal board without 
removing the electrical box.

2

Remove the screw on 
the terminal board.

3

Remove the 2 screws 
and detach the earth 
wires.

(R16482)

(R7256)

Terminal 
board

(R17134)

Earth 
wire

Summary of Contents for RKS25F2V1B

Page 1: ...REMOVAL PROCEDURE S E R V I C E M A N U A L Outdoor Unit Inverter Pair Type 2 5 3 5 kW Class Si00 771...

Page 2: ...Service Manual Removal Procedure Outdoor Unit zCooling Only zHeat Pump RKS25F2V1B RXD25FAV2C RKS35F2V1B RXD35FAV2C RXD25FV2C RXD35FV2C RXS25F2V1B RXS35F2V1B RXS25FV2C RXS35FV2C...

Page 3: ...lectrical Box 10 3 Removal of PCB 13 4 Removal of Reactor Partition Plate 15 5 Removal of Sound Blankets 16 6 Removal of Four Way Valve 17 7 Removal of Compressor 19 Note The illustrations may be slig...

Page 4: ...sembling work Step Procedure Points 1 Appearance features Take care not to cut your finger by the fins of the outdoor heat exchanger 2 Remove the panels The stop valve cover is united with the shield...

Page 5: ...ure 3 2 Remove the 3 screws and lift the top panel 3 Remove the drip proof plate 4 Remove the 4 screws and remove the discharge grille The discharge grille has 4 hooks Step Procedure Points Top panel...

Page 6: ...e the 8 screws of the front panel 6 Unfasten the hooks Pull and remove the front panel The front panel has 4 hooks 3 Remove the fan motor Nut size M6 1 Remove the nut of the outdoor fan Step Procedure...

Page 7: ...n When reassembling align the mark of the outdoor fan with the D cut section of the motor shaft 3 Cut the clamp 4 Disconnect the connector for the fan motor S70 5 Release the fan motor lead wire from...

Page 8: ...s Fan Motor Si00 771 6 Removal Procedure 6 Remove the screw and remove the fan motor fixing frame When reassembling fit the lower hooks into the bottom frame Step Procedure Points R17052 Fan motor fix...

Page 9: ...en reassembling put the fan motor lead wire through the back of the fan motor so as not to be entangled with the outdoor fan 8 Remove the 4 screws and remove the fan motor 4 Remove the right side pane...

Page 10: ...Removal Procedure 2 Release the outdoor temperature thermistor 3 Lift up the guard net and remove it 4 Remove the 4 screws on the right side panel Step Procedure Points R7208 Outdoor temperature therm...

Page 11: ...9 5 Remove the screw near the stop valves 6 Unfasten the hook on the rear side When reassembling make sure to fit the hook 7 Lift up the right side panel and remove it When reassembling make sure to...

Page 12: ...Step Procedure Points 1 Disconnect the 2 connectors for the reactor Preparation Remove the outer panels and disconnect the connector for the fan motor according to the Removal of Outer Panels Fan Mot...

Page 13: ...ssembling connect the connectors in the following order 1 S80 2 S20 3 S40 4 S30 5 reactor 6 Disconnect the connector for the four way valve coil S80 The cooling only models do not have the harness for...

Page 14: ...8 Cut the clamp 9 Pull out the outdoor heat exchanger thermistor Be careful not to lose the clip for the thermistor 10 Lift and remove the electrical box Step Procedure Points R16471 R16472 Outdoor he...

Page 15: ...wer supplies before disassembling work Step Procedure Points 1 Feature of the main PCB You can remove the main PCB when you disconnect the lead wires on the terminal board without removing the electri...

Page 16: ...fasten the 3 hooks on the upper side Lift and pull out the main PCB S20 electronic expansion valve coil S30 compressor S40 overload protector S70 fan motor S80 four way valve coil S90 thermistors Step...

Page 17: ...r Preparation Remove the outer panels according to the Removal of Outer Panels Fan Motor Remove the electrical box according to the Removal of Electrical Box 1 Remove the screw and remove the reactor...

Page 18: ...blanket outer Preparation Remove the outer panels according to the Removal of Outer Panels Fan Motor Remove the electrical box according to the Removal of Electrical Box 2 Lift and remove the sound bl...

Page 19: ...ssembling work Step Procedure Points 1 Pull out the electronic expansion valve coil 2 Remove the terminal cover 3 Disconnect the lead wires of the compressor 4 Remove the screw and remove the four way...

Page 20: ...s affected by heat Keep below 120 C For the sake of this wrap the four way valve with wet cloth and provide water so that the cloth does not dry In case of difficulty with gas brazing machine 1 Discon...

Page 21: ...protection do not discharge the refrigerant gas in the atmosphere Make sure to collect all the refrigerant gas Cautions for restoration 1 Restore the piping by non oxidation brazing 2 It is required t...

Page 22: ...circuit When withdrawing the pipes be careful not to pinch them firmly with pliers The pipes may get deformed Provide a protective sheet or a steel plate so that the brazing flame cannot influence pe...

Page 23: ...Revision History Month Year Version Revised contents 07 2013 Si00 771 First edition...

Page 24: ...ories supplied or specified by Daikin Ask a qualified installer or contractor to install those parts and accessories Use of unauthorised parts and accessories or improper installation of parts and acc...

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